XML 40 R31.htm IDEA: XBRL DOCUMENT v3.20.2
Related-Party Transactions (Tables)
 6 Months Ended
Jun. 30, 2020
Related Party Transactions [Abstract]  
Schedule of Related Party Transactions [Table Text Block]
Related party transactions with affiliates for the three and six months ended June 30, 2020 and 2019 were as follows (in millions):
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2020
 
2019
 
2020
 
2019
Motor fuel sales to affiliates
$
37

 
$
—

 
$
49

 
$
1

Bulk fuel purchases from affiliates
$
120

 
$
103

 
$
439

 
$
282